Hear conversations 300 feet away with noise reduction On/Off switch Microphone Frequency controller 8x monocular Record/Playback buttons Headphne Used and trusted by the Army, Secret Service, and Special Forces This model uses a 9-volt battery (not inlcuded) The UZI-OD-1 Observation Listening Device has a 300-foot range with noise reduction. This model features a microphone, on/off switch, 8x monocular, frequency controller, record button, playback button, and headphone. UZI combines advanced technical concepts with innovative designs to produce products used and trusted by the Army, Secret Service, and Special Forces. Since its launch in the 1950s, UZI has become one of the world's most famous firearm brands and a 20th century icon. Specifications Brand: UZI Manufacturer part #: UZI-OD-1 UPC: 024718900124 Category: Electronics & Communication › Electronics Shipping weight: 1.8 lb Country of origin: CN Ships fast from GunCycle — free economy shipping on orders $99.99+.